how to destroy the entire program in tkinter code example

Example 1: Tk.destroy arguments

root = Tk()
#make sure that you define your Tkinter window , even though if you dont by impoerting tkinter if no Tk() window is defined it will automatically create one

root.destroy()
#here Tk.destroy() WILL NOT WORK

Example 2: python tkinter close gui window

from tkinter import *
root=tk.Tk()
root.destroy()

Example 3: how to kill tkinter

root=Tk()
root.destroy()